Estádio: Court 10 Round: 25 Ground: Hardcourt outdoor
| Challenger - Winnetka | 2019/07/09 15:00 | Alex Rybakov v Max Purcell | 6-7,3-6 |
| Challenger - Dallas | 2019/02/06 19:05 | Alex Rybakov v Dustin Brown | 2-6,4-6 |
| Challenger - Dallas | 2019/02/05 20:30 | Alex Rybakov v Stefan Kozlov | 6-2,6-1 |
| Challenger - Orlando | 2018/12/31 21:50 | Alex Rybakov v Goncalo Oliveira | 6-2,6-7,6-7 |
| Challenger - Las Vegas | 2018/10/21 19:20 | Alex Rybakov v Roberto Ortega-Olmedo | 6-7,4-6 |
| Challenger - Las Vegas | 2018/10/20 20:45 | Alex Rybakov v Alejandro Gonzalez | 6-2,7-6 |
| Challenger - Fairfield | 2018/10/09 17:00 | Alex Rybakov v Maxime Janvier | 6-7,3-6 |
| Challenger Cary | 2018/09/09 16:15 | Alex Rybakov v Joris De Loore | 1-6,2-6 |
| ITF - M25 Tulsa | 2019/06/19 19:00 | Nick Chappell v Jacob Dunbar | 6-3,7-6 |
| ITF - M25 Wichita | 2019/06/14 15:00 | Jacob Dunbar v Evan Zhu | 3-6,6-7 |
| ITF - M25 Wichita | 2019/06/13 15:00 | Martin Redlicki v Jacob Dunbar | 4-6,6-7 |
| ITF - M25 Wichita | 2019/06/12 15:00 | Reese Stalder v Jacob Dunbar | 0-6,3-6 |
| ITF - M25 Calabasas | 2019/03/18 17:00 | Jacob Dunbar v Ryan Peniston | 2-6,3-6 |
| ITF - M25 Bakersfield | 2019/03/13 21:55 | Jacob Dunbar v Andrew Watson | 6-4,1-6,3-6 |
| ITF - M25 Bakersfield | 2019/03/12 17:00 | Jacob Dunbar v Brandon Perez | 6-1,6-0 |
| ITF - M25 Bakersfield | 2019/03/11 17:00 | Jacob Dunbar v Jeremy Moser | 6-1,6-3 |